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Question: Seven students volunteered for a comparison of study guides for an advanced course in mathematics. They were randomly assigned, four to study guide A and three to study guide B. All were instructed to study independently. Following a two-day study period, all students were given an examination about the material covered by the guides, with the following results:
Study Guide A scores: 68; 77; 82; 85
Study Guide B scores: 53; 64; 71
Perform a randomization test by listing all possible ways that these students could have been randomized to two groups. There are 35 ways. For each outcome, calculate the difference between sample averages. Finally, calculate the two-sided p-value for the observed outcome.
The U.S. Bureau of Economic Statistics reports that the average annual salary in the metropolitan Boston area is $50,542.
500 trials where each trial consists of tossing four coins and counting the number of heads. find the number of cases
Find the mean and standard deviation of your simulated sample weights. How do your sample statistics compare to the theoretical population parameters.
Find the lower, middle, and upper quartiles of this data set. Also find the 10th, 15th, and 65th percentiles. What is the interquartile range?
Selecting a European Distribution Center Site for American International Automotive Industries
a tv show lindsay and tobias recently had a share of 10 meaning that among the tv sets in use 10 were tuned to that
Why is the standard deviation so large?- If you play 5 times, what are the mean and standard deviation of the casino s profit?
The State of Ohio plays a daily (except Sunday) three digit lottery, where the player chooses any three numbers, 1 thru 10, three different times.
Did every telephone number that could occur in that community have an equal chance of being generated?- Did this method of generating telephone numbers result in a simple random sample (SRS) of local residences? Explain.
a poll was conducted that asked 1015 people how many books they had read in the past year. x13.3 books and s16.6 books
The z-score of 1.33 tells you that Eric's time to get to work is 1.33 standard deviations from the mean.
Which of the given signifies difference in two population proportions?
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